Ranjana Srivastava, Alexandre Kalache, Patricia Edgar, Ace Buck

Jon Faine's co-host is Dr Ranjana Srivastava. She is an oncologist at Southern Health, and a writer. Her latest book is Dying for a Chat: the communication breakdown between doctors and patients (Penguin Specials).

Their first guest is Dr Alexandre Kalache. He is the President of the International Longevity Centre, Brazil and the former Director of Ageing for the World Health Organisation (WHO). He is also a former Adelaide Thinker in Residence.

Alex is in Melbourne in support of the Council on the Ageing's Age Friendly Victoria initiative, and has previously advised the City of Melbourne on their Age Friendly Melbourne project. He works globally to help governments adopt the WHO Age-Friendly Environments policy framework he devised.

Then they are joined by Patricia Edgar and Ace Buck. Patricia is an author, sociologist and film and television producer. She is the former Director of the Australian Children's Television Foundation. Ace Buck is a young illustrator. He is Patricia's grandson.

Their latest books are:

In Praise of Ageing by Patricia Edgar (Text).Big Fat Porkies and Little White Lies written by Patricia Edgar and illustrated by Ace Buck. (Edgar Press)